Hi Linus:

This push fixes a serious regression for IPsec when using the
chainiv algorithm.  We were checking for NULL after converting a
pointer that can be NULL to its container, which means that
the NULL pointer check is useless.  This would occur when the
chainiv backlog queue is depleted.  The result is a crash.

Based on the one report received it does not occur all the time
though, possibly because we only use the backlog when two CPUs
try to push data through a single SA at the same time, which is
rare.
 
Please pull from

git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git

or

master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6.git


Herbert Xu (1):
      crypto: skcipher - Fix skcipher_dequeue_givcrypt NULL test

 crypto/algapi.c                    |   11 +++++++++--
 include/crypto/algapi.h            |    1 +
 include/crypto/internal/skcipher.h |    4 ++--
 3 files changed, 12 insertions(+), 4 deletions(-)

Thanks,
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